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How to Create Shared Symbols.

Nicolas Fay1, Bradley Walker1, Nik Swoboda2

  • 1School of Psychological Science, University of Western Australia.

Cognitive Science
|February 20, 2018
PubMed
Summary
This summary is machine-generated.

Social coordinative learning, not just individual learning, is key to creating effective symbols. Direct interaction and partner feedback significantly improve symbol efficiency and sharing in communication games.

Keywords:
Cultural evolutionCumulative cultural evolutionIconLanguage evolutionObservational learningSocial coordinative learningSocial interactionSymbol

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Area of Science:

  • Cognitive Science
  • Evolutionary Psychology
  • Linguistics

Background:

  • Human cognition and behavior are fundamentally shaped by symbol use.
  • Understanding the origins of symbolic communication is crucial for explaining human uniqueness.

Purpose of the Study:

  • To investigate the social learning strategies underlying the emergence of symbolic communication.
  • To contrast individual-level learning with inter-individual social coordinative learning in symbol creation.

Main Methods:

  • Experiment 1: Referential communication game using drawing without conventional language, comparing individual learning (observation, cognitive bias) with social coordinative learning.
  • Experiment 2: Investigated the roles of behavior alignment and concurrent partner feedback in social interaction.

Main Results:

  • Individual learning produced increasingly effective and shared signs, but these benefits were lost when referential precedents were broken.
  • Direct interaction between partners led to the most effective, efficient, and shared symbols.
  • Behavior alignment enhanced communication effectiveness, while partner feedback improved sign efficiency.

Conclusions:

  • Inter-individual social coordinative learning is essential for the evolution of effective, efficient, and shared symbols.
  • Direct social interaction plays a critical role in establishing shared symbolic systems.